// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_BUILTINS_BUILTINS_DESCRIPTORS_H_
#define V8_BUILTINS_BUILTINS_DESCRIPTORS_H_

#include "src/builtins/builtins.h"
#include "src/compiler/code-assembler.h"
#include "src/interface-descriptors.h"
#include "src/objects/shared-function-info.h"

namespace v8 {
namespace internal {

// Define interface descriptors for builtins with JS linkage.
#define DEFINE_TFJ_INTERFACE_DESCRIPTOR(Name, Argc, ...)                    \
    struct Builtin_##Name##_InterfaceDescriptor {                           \
        enum ParameterIndices {                                             \
            kJSTarget = compiler::CodeAssembler::kTargetParameterIndex,     \
            ##__VA_ARGS__,                                                  \
            kJSNewTarget,                                                   \
            kJSActualArgumentsCount,                                        \
            kContext,                                                       \
            kParameterCount,                                                \
        };                                                                  \
        static_assert((Argc) == static_cast<uint16_t>(kParameterCount - 4), \
            "Inconsistent set of arguments");                               \
        static_assert(kJSTarget == -1, "Unexpected kJSTarget index value"); \
    };

// Define interface descriptors for builtins with StubCall linkage.
#define DEFINE_TFC_INTERFACE_DESCRIPTOR(Name, InterfaceDescriptor) \
    typedef InterfaceDescriptor##Descriptor Builtin_##Name##_InterfaceDescriptor;

#define DEFINE_TFS_INTERFACE_DESCRIPTOR(Name, ...) \
    typedef Name##Descriptor Builtin_##Name##_InterfaceDescriptor;

// Define interface descriptors for IC handlers/dispatchers.
#define DEFINE_TFH_INTERFACE_DESCRIPTOR(Name, InterfaceDescriptor) \
    typedef InterfaceDescriptor##Descriptor Builtin_##Name##_InterfaceDescriptor;

#define DEFINE_ASM_INTERFACE_DESCRIPTOR(Name, InterfaceDescriptor) \
    typedef InterfaceDescriptor##Descriptor Builtin_##Name##_InterfaceDescriptor;

    BUILTIN_LIST(IGNORE_BUILTIN, IGNORE_BUILTIN, DEFINE_TFJ_INTERFACE_DESCRIPTOR,
        DEFINE_TFC_INTERFACE_DESCRIPTOR, DEFINE_TFS_INTERFACE_DESCRIPTOR,
        DEFINE_TFH_INTERFACE_DESCRIPTOR, IGNORE_BUILTIN,
        DEFINE_ASM_INTERFACE_DESCRIPTOR)

#undef DEFINE_TFJ_INTERFACE_DESCRIPTOR
#undef DEFINE_TFC_INTERFACE_DESCRIPTOR
#undef DEFINE_TFS_INTERFACE_DESCRIPTOR
#undef DEFINE_TFH_INTERFACE_DESCRIPTOR
#undef DEFINE_ASM_INTERFACE_DESCRIPTOR

} // namespace internal
} // namespace v8

#endif // V8_BUILTINS_BUILTINS_DESCRIPTORS_H_
